HiFiMAN EF400 DAC/Amplifier
Best balanced desktop solution for audiophiles seeking high-fidelity R2R sound.
This desktop powerhouse brings the warmth and precision of R2R architecture to your desk without the typical footprint of high-end audio gear. It sacrifices the modular flexibility of a separate stack for a streamlined, all-in-one design that delivers serious power to even the most demanding headphones.
$399.00
In stock
at
Hi-Fi Heaven
Owner Satisfaction
4.6
/
5
Category Rank
335
/
1072
#335 in Headphone Amplifiers
Price vs Category Average
-72%
Below average
Weight
3.08
/
kg
Who it's for
- Audiophiles seeking a natural, organic, and musical listening experience
- Owners of demanding, low-sensitivity planar magnetic headphones
- Users with high-end balanced headphone cables and gear
Who should skip it
- Listeners needing coaxial or optical connectivity for legacy sources
- Users with limited desk space for proper ventilation
- Purists who prefer clinical, analytical, and neutral sound signatures
Performance breakdown
DAC Fidelity
The Himalaya R2R architecture delivers exceptionally natural and organic sonic textures.
Amplification Power
Class AB circuitry drives demanding planar magnetic headphones with effortless authority.
Build Integrity
Solid, industrial-grade chassis construction ensures long-term reliability on any desktop.
Connectivity Versatility
Comprehensive balanced and single-ended outputs accommodate a wide range of gear.
Form Factor Efficiency
Compact footprint maximizes desk space without compromising high-end audio performance.
Signal Transparency
Low distortion levels provide a clean, noise-free window into your music.
Key Specs
Weight
3.08kg
Dimensions
246.5mm(L)×228mm(W)×61mm(H)
Power Output
4.4 W per channel
Max Output
10.7 Vrms on 36 ohm load
Signal to Noise Ratio
118+/-3dB (A Weighted)
Total Harmonic Distortion
0.002% to 0.004%
Max Supported Impedance
36 ohms
Input Type
USB-B
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